Youth fades; love droops; the leaves of friendship fall. A mother's secret hope outlives them all. —Oliver Wendell Holmes (1809—1894) 青春会逝去；爱情会枯萎；友谊的绿叶也会凋零。而一个母亲内心的希望比它们都要长久。 ——奥利弗•温戴尔•荷马
